<template>
  <div>
    <!-- 面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsData">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsData"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddGoodPage">添加商品</el-button>
        </el-col>
      </el-row>
      <el-table :data="goodList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <!-- 修改按钮-->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.goods_id)"></el-button>
            <!-- 删除按钮-->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeGoodById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      total: 0,
      goodList: []
    }
  },
  created () {
    this.getGoodsData()
  },
  methods: {
    async getGoodsData () {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      this.goodList = res.data.goods
      this.total = res.data.total
    },
    // 每页数量变化
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsData()
    },
    // 监听页码值发生变化
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsData()
    },
    removeGoodById (id) {
      // 弹框询问
      this.$confirm('此操作将永久删除该商品, 是否继续?', '提示',
        { confirmButtonText: '确定', cancelButtonText: '取消', type: 'warning' })
        .then(async () => {
          const { data: res } = await this.$http.delete('goods/' + id)
          if (res.meta.status !== 200) {
            return this.$message.error('删除商品失败！')
          }
          // this.$message({ type: 'success', message: '删除成功!' })
          this.$message.success('删除商品成功!')
          this.getGoodsData()
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
    },
    goAddGoodPage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
</style>
